alleryA line segment 2.05 m long was mistakenly measured as 2 m. Find the percentage error.
A41%
B42%
C100/41 %
D100/51 %
Answer & Solution
Correct answer: C. 100/41 %
1. Error = 2.05 − 2 = 0.05 m.
2. Percentage error = (0.05 / 2.05) × 100 = 5/2.05 = 500/205.
3. Simplifying gives 100/41 %.
_Source: RRB Group D CEN-02/2018 PYQ, Q.68._
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